On Mon, Oct 30, 2017 at 3:52 PM Eli Zaretskii <eliz@gnu.org> wrote:

> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Mon, 30 Oct 2017 19:24:19 +0000
> Cc: 29031@debbugs.gnu.org, monnier@iro.umontreal.ca
>
> #55 0x000000000060a66e in Ffuncall (nargs=4, args=0x7ffffffeae98) at eval.c:2766
> #56 0x000000000065705e in exec_byte_code (bytestr=..., vector=..., maxdepth=..., args_template=...,
> nargs=0, args=0x0) at bytecode.c:629
>
> ...
>
> continues till #224.

Please show the complete backtrace, maybe that will provide some
hints.

After that I rebuilt from the latest emacs-26 with "--enable-checking='yes,glyphs' --enable-check-lisp-object-type"", and this time the same recipe (loading nlinum in after-init-hook) caused the segfault on emacs 26:

Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.

0x00000033e307a16e in _int_malloc () from /lib64/libc.so.6

(gdb) bt

#0 0x00000033e307a16e in _int_malloc () from /lib64/libc.so.6

#1 0x00000033e307ab1c in malloc () from /lib64/libc.so.6

#2 0x0000000000618c68 in lmalloc (size=8784) at alloc.c:1444

#3 0x0000000000618634 in lisp_malloc (nbytes=8784, type=MEM_TYPE_VECTORLIKE) at alloc.c:1082

#4 0x000000000061b4a2 in allocate_vectorlike (len=1095) at alloc.c:3333

#5 0x000000000061b590 in allocate_vector (len=1095) at alloc.c:3370

#6 0x000000000065aeac in larger_vecalloc (vec=XIL(0x2904c15), incr_min=365, nitems_max=-1) at fns.c:3600

#7 0x000000000065af3e in larger_vector (vec=XIL(0x2904c15), incr_min=365, nitems_max=-1) at fns.c:3612

#8 0x000000000065ba06 in maybe_resize_hash_table (h=0x708d390) at fns.c:3905

#9 0x000000000065be19 in hash_put (h=0x708d390, key=XIL(0xc87060), value=XIL(0x3171093), hash=3283992) at fns.c:3986

#10 0x000000000065d807 in Fputhash (key=XIL(0xc87060), value=XIL(0x3171093), table=XIL(0x708d395)) at fns.c:4678

#11 0x00000000005b330e in where_is_internal_1 (key=XIL(0x4ac510), binding=XIL(0xc87060), args=XIL(0), data=0x7ffffffea9e0)

at keymap.c:2725

#12 0x00000000005ac350 in map_keymap_item (fun=0x5b3095 <where_is_internal_1>, args=XIL(0), key=XIL(0x4ac510), val=XIL(0xc87060),

data=0x7ffffffea9e0) at keymap.c:546

#13 0x00000000005ac629 in map_keymap_internal (map=XIL(0x3b10ca3), fun=0x5b3095 <where_is_internal_1>, args=XIL(0),

data=0x7ffffffea9e0) at keymap.c:583

#14 0x00000000005ac90a in map_keymap (map=XIL(0x3b10ca3), fun=0x5b3095 <where_is_internal_1>, args=XIL(0), data=0x7ffffffea9e0,

autoload=false) at keymap.c:626

#15 0x00000000005b2787 in where_is_internal (definition=XIL(0x401f50), keymaps=XIL(0x315a283), noindirect=false, nomenus=true)

at keymap.c:2478

#16 0x00000000005b2bdf in Fwhere_is_internal (definition=XIL(0x401f50), keymap=XIL(0), firstonly=XIL(0xc270), noindirect=XIL(0),

no_remap=XIL(0)) at keymap.c:2589

#17 0x000000000062f05f in Fsubstitute_command_keys (string=XIL(0x11948c4)) at doc.c:821

#18 0x000000000062dfe2 in Fdocumentation (function=XIL(0x386f6f5), raw=XIL(0)) at doc.c:421

#19 0x000000000064a905 in funcall_subr (subr=0xd7ea30 <Sdocumentation>, numargs=1, args=0x7ffffffeef40) at eval.c:2843

#20 0x000000000064a43b in Ffuncall (nargs=2, args=0x7ffffffeef38) at eval.c:2766

#21 0x000000000069f457 in exec_byte_code (bytestr=XIL(0xab492c), vector=XIL(0xab494d), maxdepth=make_number(8), args_template=XIL(0),

nargs=0, args=0x0) at bytecode.c:629

#22 0x000000000064b559 in funcall_lambda (fun=XIL(0xab48cd), nargs=2, arg_vector=0xab494d <pure+897645>) at eval.c:3049

#23 0x000000000064a47f in Ffuncall (nargs=3, args=0x7ffffffef7e0) at eval.c:2768

#24 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x1bb5464), vector=XIL(0x1717335), maxdepth=make_number(4),

args_template=make_number(257), nargs=1, args=0x7ffffffeff18) at bytecode.c:629

#25 0x000000000064b04d in funcall_lambda (fun=XIL(0x1717365), nargs=1, arg_vector=0x7ffffffeff10) at eval.c:2967

#26 0x000000000064a47f in Ffuncall (nargs=2, args=0x7ffffffeff08) at eval.c:2768

#27 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x1bb8a04), vector=XIL(0x171c1f5), maxdepth=make_number(16),

---Type <return> to continue, or q <return> to quit---

umber(257), nargs=1, args=0x7fffffff06e8) at bytecode.c:629

#28 0x000000000064b04d in funcall_lambda (fun=XIL(0x171c275), nargs=1, arg_vector=0x7fffffff06e0) at eval.c:2967

#29 0x000000000064a47f in Ffuncall (nargs=2, args=0x7fffffff06d8) at eval.c:2768

#30 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x1bb99e4), vector=XIL(0x171e3c5), maxdepth=make_number(12), args_template=make_number(514), nargs=2, args=0x7fffffff0ea0) at bytecode.c:629

#31 0x000000000064b04d in funcall_lambda (fun=XIL(0x171f0c5), nargs=2, arg_vector=0x7fffffff0e90) at eval.c:2967

#32 0x000000000064a47f in Ffuncall (nargs=3, args=0x7fffffff0e88) at eval.c:2768

#33 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x1bb9a84), vector=XIL(0x171f195), maxdepth=make_number(6), args_template=make_number(513), nargs=1, args=0x7fffffff15e8) at bytecode.c:629

#34 0x000000000064b04d in funcall_lambda (fun=XIL(0x171f225), nargs=1, arg_vector=0x7fffffff15e0) at eval.c:2967

#35 0x000000000064a47f in Ffuncall (nargs=2, args=0x7fffffff15d8) at eval.c:2768

#36 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x5424b34), vector=XIL(0x5423815), maxdepth=make_number(5), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#37 0x000000000064b559 in funcall_lambda (fun=XIL(0x5423865), nargs=0, arg_vector=0x5423815) at eval.c:3049

#38 0x000000000064a47f in Ffuncall (nargs=1, args=0x7fffffff1cf8) at eval.c:2768

#39 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x541c294), vector=XIL(0x541bcc5), maxdepth=make_number(5), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#40 0x000000000064b559 in funcall_lambda (fun=XIL(0x541c685), nargs=1, arg_vector=0x541bcc5) at eval.c:3049

#41 0x000000000064a47f in Ffuncall (nargs=2, args=0x7fffffff2438) at eval.c:2768

#42 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x541c374), vector=XIL(0x541c735), maxdepth=make_number(3), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#43 0x000000000064b559 in funcall_lambda (fun=XIL(0x541c765), nargs=0, arg_vector=0x541c735) at eval.c:3049

#44 0x000000000064a47f in Ffuncall (nargs=1, args=0x7fffffff2b58) at eval.c:2768

#45 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x54180e4), vector=XIL(0x5416dd5), maxdepth=make_number(4), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#46 0x000000000064b559 in funcall_lambda (fun=XIL(0x53ea5c5), nargs=1, arg_vector=0x5416dd5) at eval.c:3049

#47 0x000000000064a47f in Ffuncall (nargs=2, args=0x7fffffff3398) at eval.c:2768

#48 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x77a18e4), vector=XIL(0x2ef7b85), maxdepth=make_number(30), args_template=make_number(2953), nargs=11, args=0x7fffffff3c18) at bytecode.c:629

#49 0x000000000064b04d in funcall_lambda (fun=XIL(0x43ea6d5), nargs=11, arg_vector=0x7fffffff3bc0) at eval.c:2967

#50 0x000000000064ac89 in apply_lambda (fun=XIL(0x43ea6d5), args=XIL(0x2fabe53), count=105) at eval.c:2903

#51 0x0000000000648e9b in eval_sub (form=XIL(0x2fabe63)) at eval.c:2276

#52 0x000000000067f8ef in readevalloop_eager_expand_eval (val=XIL(0x2fabe63), macroexpand=XIL(0xbe7c0)) at lread.c:1850

#53 0x00000000006802b9 in readevalloop (readcharfun=XIL(0x2a568e5), infile0=0x0, sourcename=XIL(0x29f3234), printflag=false, unibyte=XIL(0), readfun=XIL(0), start=XIL(0), end=XIL(0)) at lread.c:2036

#54 0x00000000006806d5 in Feval_buffer (buffer=XIL(0x2a568e5), printflag=XIL(0), filename=XIL(0x2a82b94), unibyte=XIL(0), do_allow_print=XIL(0xc270)) at lread.c:2103

#55 0x000000000064a9aa in funcall_subr (subr=0xd82178 <Seval_buffer>, numargs=5, args=0x7fffffff4120) at eval.c:2853

#56 0x000000000064a43b in Ffuncall (nargs=6, args=0x7fffffff4118) at eval.c:2766

#57 0x000000000069f457 in exec_byte_code (bytestr=XIL(0xa052ec), vector=XIL(0xa0530d), maxdepth=make_number(6), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#58 0x000000000064b559 in funcall_lambda (fun=XIL(0xa0526d), nargs=4, arg_vector=0xa0530d <pure+179245>) at eval.c:3049

#59 0x000000000064a47f in Ffuncall (nargs=5, args=0x7fffffff4930) at eval.c:2768

#60 0x0000000000649e19 in call4 (fn=XIL(0x407a40), arg1=XIL(0x2a82b94), arg2=XIL(0x2a82b94), arg3=XIL(0xc270), arg4=XIL(0xc270)) at eval.c:2642

#61 0x000000000067e3a6 in Fload (file=XIL(0x2a82a34), noerror=XIL(0xc270), nomessage=XIL(0xc270), nosuffix=XIL(0xc270), must_suffix=XIL(0)) at lread.c:1365

#62 0x000000000064a9aa in funcall_subr (subr=0xd82118 <Sload>, numargs=5, args=0x7fffffff4d40) at eval.c:2853

#63 0x000000000064a43b in Ffuncall (nargs=6, args=0x7fffffff4d38) at eval.c:2766

#64 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x33558f4), vector=XIL(0x3341375), maxdepth=make_number(6), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#65 0x000000000064b559 in funcall_lambda (fun=XIL(0x3341405), nargs=5, arg_vector=0x3341375) at eval.c:3049

#66 0x000000000064a47f in Ffuncall (nargs=6, args=0x7fffffff5470) at eval.c:2768

#67 0x0000000000649671 in Fapply (nargs=3, args=0x7fffffff5698) at eval.c:2386

#68 0x000000000064a7f2 in funcall_subr (subr=0xd80188 <Sapply>, numargs=3, args=0x7fffffff5698) at eval.c:2821

#69 0x000000000064a43b in Ffuncall (nargs=4, args=0x7fffffff5690) at eval.c:2766

#70 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x13f1f64), vector=XIL(0x3341185), maxdepth=make_number(5), args_template=make_number(128), nargs=4, args=0x7fffffff5de8) at bytecode.c:629

#71 0x000000000064b04d in funcall_lambda (fun=XIL(0x33411b5), nargs=4, arg_vector=0x7fffffff5de8) at eval.c:2967

#72 0x000000000064a47f in Ffuncall (nargs=5, args=0x7fffffff5de0) at eval.c:2768

#73 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x779e8a4), vector=XIL(0x16de0c5), maxdepth=make_number(16), args_template=make_number(256), nargs=0, args=0x7fffffff6600) at bytecode.c:629

#74 0x000000000064b04d in funcall_lambda (fun=XIL(0x537b985), nargs=0, arg_vector=0x7fffffff6600) at eval.c:2967

#75 0x000000000064ac89 in apply_lambda (fun=XIL(0x537b985), args=XIL(0), count=58) at eval.c:2903

#76 0x0000000000648e9b in eval_sub (form=XIL(0x2ed86e3)) at eval.c:2276

#77 0x000000000064373f in Fprogn (body=XIL(0)) at eval.c:455

#78 0x000000000064b4b9 in funcall_lambda (fun=XIL(0x2ed5733), nargs=0, arg_vector=0x0) at eval.c:3042

#79 0x000000000064ac89 in apply_lambda (fun=XIL(0x2ed5733), args=XIL(0), count=57) at eval.c:2903

#80 0x00000000006490a2 in eval_sub (form=XIL(0x2ed8673)) at eval.c:2306

#81 0x000000000064373f in Fprogn (body=XIL(0)) at eval.c:455

#82 0x0000000000648874 in eval_sub (form=XIL(0x2ed55c3)) at eval.c:2183

#83 0x00000000006434e4 in Fif (args=XIL(0x2ed55a3)) at eval.c:410

#84 0x0000000000648874 in eval_sub (form=XIL(0x2ed5593)) at eval.c:2183

#85 0x000000000064373f in Fprogn (body=XIL(0x2edf703)) at eval.c:455

#86 0x0000000000648874 in eval_sub (form=XIL(0x2ed76d3)) at eval.c:2183

#87 0x0000000000646591 in internal_lisp_condition_case (var=XIL(0x7388040), bodyform=XIL(0x2ed76d3), handlers=XIL(0x2ed7a43)) at eval.c:1303

#88 0x0000000000646023 in Fcondition_case (args=XIL(0x2edf643)) at eval.c:1227

#89 0x0000000000648874 in eval_sub (form=XIL(0x2edf633)) at eval.c:2183

#90 0x000000000064373f in Fprogn (body=XIL(0x2ed7d53)) at eval.c:455

#91 0x000000000064352d in Fif (args=XIL(0x2edf613)) at eval.c:411

#92 0x0000000000648874 in eval_sub (form=XIL(0x2edf623)) at eval.c:2183

#93 0x000000000067f8ef in readevalloop_eager_expand_eval (val=XIL(0x2ed7b73), macroexpand=XIL(0xbe7c0)) at lread.c:1850

#94 0x00000000006802b9 in readevalloop (readcharfun=XIL(0x4f08de5), infile0=0x0, sourcename=XIL(0x71213b4), printflag=false, unibyte=XIL(0), readfun=XIL(0), start=XIL(0), end=XIL(0)) at lread.c:2036

#95 0x00000000006806d5 in Feval_buffer (buffer=XIL(0x4f08de5), printflag=XIL(0), filename=XIL(0x70b9bb4), unibyte=XIL(0), do_allow_print=XIL(0xc270)) at lread.c:2103

#96 0x000000000064a9aa in funcall_subr (subr=0xd82178 <Seval_buffer>, numargs=5, args=0x7fffffff77d0) at eval.c:2853

#97 0x000000000064a43b in Ffuncall (nargs=6, args=0x7fffffff77c8) at eval.c:2766

#98 0x000000000069f457 in exec_byte_code (bytestr=XIL(0xa052ec), vector=XIL(0xa0530d), maxdepth=make_number(6), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#99 0x000000000064b559 in funcall_lambda (fun=XIL(0xa0526d), nargs=4, arg_vector=0xa0530d <pure+179245>) at eval.c:3049

#100 0x000000000064a47f in Ffuncall (nargs=5, args=0x7fffffff7fe0) at eval.c:2768

#101 0x0000000000649e19 in call4 (fn=XIL(0x407a40), arg1=XIL(0x70b9bb4), arg2=XIL(0x70b9bb4), arg3=XIL(0xc270), arg4=XIL(0xc270)) at eval.c:2642

#102 0x000000000067e3a6 in Fload (file=XIL(0x81074f4), noerror=XIL(0xc270), nomessage=XIL(0xc270), nosuffix=XIL(0), must_suffix=XIL(0xc270)) at lread.c:1365

#103 0x0000000000658d08 in Frequire (feature=XIL(0x7394dc0), filename=XIL(0), noerror=XIL(0xc270)) at fns.c:2807

#104 0x000000000064a931 in funcall_subr (subr=0xd81448 <Srequire>, numargs=3, args=0x7fffffff8480) at eval.c:2846

#105 0x000000000064a43b in Ffuncall (nargs=4, args=0x7fffffff8478) at eval.c:2766

#106 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x3346694), vector=XIL(0x3340d05), maxdepth=make_number(4), args_template=XIL(0), nargs=0, args=0x0) at bytecode.c:629

#107 0x000000000064b559 in funcall_lambda (fun=XIL(0x3340d95), nargs=4, arg_vector=0x3340d05) at eval.c:3049

#108 0x000000000064a47f in Ffuncall (nargs=5, args=0x7fffffff8ba0) at eval.c:2768

#109 0x0000000000649671 in Fapply (nargs=3, args=0x7fffffff8dc8) at eval.c:2386

#110 0x000000000064a7f2 in funcall_subr (subr=0xd80188 <Sapply>, numargs=3, args=0x7fffffff8dc8) at eval.c:2821

#111 0x000000000064a43b in Ffuncall (nargs=4, args=0x7fffffff8dc0) at eval.c:2766

#112 0x000000000069f457 in exec_byte_code (bytestr=XIL(0x13f1f64), vector=XIL(0x3340aa5), maxdepth=make_number(5), args_template=make_number(128), nargs=3, args=0x7fffffff94d8) at bytecode.c:629

#113 0x000000000064b04d in funcall_lambda (fun=XIL(0x3340ad5), nargs=3, arg_vector=0x7fffffff94d8) at eval.c:2967

#114 0x000000000064a47f in Ffuncall (nargs=4, args=0x7fffffff94d0) at eval.c:2768

#115 0x0000000000649671 in Fapply (nargs=2, args=0x7fffffff96f8) at eval.c:2386

#116 0x000000000064a7f2 in funcall_subr (subr=0xd80188 <Sapply>, numargs=2, args=0x7fffffff96f8) at eval.c:2821

#117 0x000000000064a43b in Ffuncall (nargs=3, args=0x7fffffff96f0) at eval.c:2766

#118 0x000000000069f457 in exec_byte_code (bytestr=XIL(0xb0c4ac), vector=XIL(0xb0c4cd), maxdepth=make_number(10), args_template=make_number(257), nargs=1, args=0x7fffffff9ef0) at bytecode.c:629

#119 0x000000000064b04d in funcall_lambda (fun=XIL(0xb0c47d), nargs=1, arg_vector=0x7fffffff9ee8) at eval.c:2967

#120 0x000000000064a47f in Ffuncall (nargs=2, args=0x7fffffff9ee0) at eval.c:2768

#121 0x0000000000649d38 in call1 (fn=XIL(0xc600), arg1=XIL(0x8182745)) at eval.c:2617

#122 0x000000000059a0de in timer_check_2 (timers=XIL(0x2ecdbd3), idle_timers=XIL(0x2ecdaf3)) at keyboard.c:4462

#123 0x000000000059a209 in timer_check () at keyboard.c:4524

#124 0x00000000005978d4 in readable_events (flags=1) at keyboard.c:3340

#125 0x000000000059f029 in get_input_pending (flags=1) at keyboard.c:6824

#126 0x00000000005a6a40 in detect_input_pending_run_timers (do_display=true) at keyboard.c:9951

#127 0x00000000006af724 in wait_reading_process_output (time_limit=0, nsecs=0, read_kbd=-1, do_display=true, wait_for_cell=XIL(0), wait_proc=0x0, just_wait_proc=0) at process.c:5508

#128 0x00000000005988bc in kbd_buffer_get_event (kbp=0x7fffffffa738, used_mouse_menu=0x7fffffffaeaf, end_time=0x0) at keyboard.c:3831

#129 0x0000000000593bea in read_event_from_main_queue (end_time=0x0, local_getcjmp=0x7fffffffabe0, used_mouse_menu=0x7fffffffaeaf) at keyboard.c:2151

#130 0x0000000000593ee2 in read_decoded_event_from_main_queue (end_time=0x0, local_getcjmp=0x7fffffffabe0, prev_event=XIL(0), used_mouse_menu=0x7fffffffaeaf) at keyboard.c:2214

#131 0x0000000000595bc2 in read_char (commandflag=1, map=XIL(0x2d51ba3), prev_event=XIL(0), used_mouse_menu=0x7fffffffaeaf, end_time=0x0) at keyboard.c:2802

#132 0x00000000005a4d85 in read_key_sequence (keybuf=0x7fffffffb040, bufsize=30, prompt=XIL(0), dont_downcase_last=false, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9147

#133 0x0000000000591833 in command_loop_1 () at keyboard.c:1368

#134 0x000000000064662d in internal_condition_case (bfun=0x591400 <command_loop_1>, handlers=XIL(0x5250), hfun=0x590a56 <cmd_error>) at eval.c:1332

#135 0x0000000000591005 in command_loop_2 (ignore=XIL(0)) at keyboard.c:1110

#136 0x0000000000645b61 in internal_catch (tag=XIL(0xc8d0), func=0x590fdc <command_loop_2>, arg=XIL(0)) at eval.c:1097

#137 0x0000000000590fa7 in command_loop () at keyboard.c:1089

#138 0x000000000059056b in recursive_edit_1 () at keyboard.c:695

#139 0x000000000059074a in Frecursive_edit () at keyboard.c:766

#140 0x000000000058e447 in main (argc=1, argv=0x7fffffffb528) at emacs.c:1713

Lisp Backtrace:

"documentation" (0xfffeef40)

"help-function-arglist" (0xfffef7e8)

"ad-arglist" (0xfffeff10)

"ad-make-advised-definition" (0xffff06e0)

"ad-activate-advised-definition" (0xffff0e90)

"ad-activate" (0xffff15e0)

"vhl/ext/etags/on" (0xffff1d00)

"vhl/load-extension" (0xffff2440)

"vhl/load-extensions" (0xffff2b60)

"volatile-highlights-mode" (0xffff33a0)

"desktop-create-buffer" (0xffff3bc0)

"eval-buffer" (0xffff4120)

"load-with-code-conversion" (0xffff4938)

0xd82118 PVEC_SUBR

"ad-Advice-load" (0xffff5478)

"apply" (0xffff5698)

"load" (0xffff5de8)

"desktop-read" (0xffff6600)

"modi/restore-last-saved-desktop" (0xffff6920)

"progn" (0xffff6c20)

"if" (0xffff6dc0)

"progn" (0xffff6f60)

"condition-case" (0xffff7250)

"if" (0xffff7430)

"eval-buffer" (0xffff77d0)

"load-with-code-conversion" (0xffff7fe8)

0xd81448 PVEC_SUBR

"ad-Advice-require" (0xffff8ba8)

"apply" (0xffff8dc8)

"require" (0xffff94d8)

"apply" (0xffff96f8)

"timer-event-handler" (0xffff9ee8)

I'll keep that gdb session alive for further debugging if needed.